Hydrogenera
Hydrogen technology company committed to producing, storing, and distributing hydrogen from renewable energy sources.
15 employees · est. 2016 · Bulgaria
Hystar
We make the world's most efficient PEM electrolysers for large-scale green hydrogen production.
78 employees · est. 2021 · Oslo, Norway
Hydrogenera is the older company (2016 vs 2021); Hystar is the larger of the two.
1 signal in the last 90 days
Side-by-Side Comparison
| Metric | Hydrogenera | Hystar |
|---|---|---|
| Founded | ||
| Founded | 2016 older | 2021 |
| Headquarters | ||
| Headquarters | Bulgaria | Oslo, Norway |
| Employees | ||
| Employees | 15 | 78 larger |
| Industry | ||
| Industry | Energy | Not tracked yet |
| Funding Stage | ||
| Funding Stage | Series Unknown | Grant |
| Total Funding | ||
| Total Funding | $2.00M | $50.00M |
| Funding Rounds | ||
| Funding Rounds | 1 | 3 |
| Services | ||
| Services | Not tracked yet | Supply of PEM Electrolyser Stacks, Modular Hydrogen Solutions, Automated Electrolyser Production |
| Target Customers | ||
| Target Customers | Not tracked yet | Energy Companies, Technology Integrators, Sustainability-focused Enterprises |
| Taxonomy | ||
| Taxonomy | Hydrogen Technology, Sustainable Energy, Clean Energy, Innovation, Hydrogen Production, Energy Storage, Decarbonisation, European Clean Hydrogen Alliance, Global Energy Solutions, Industry Solutions, Green Energy Projects, Hydrogen Economy, Global Sustainability, European Energy Landscape | PEM Electrolyzers, Green Hydrogen Production, Advanced Cell Design, Carbon Emission Reduction, Energy Technology, High Efficiency Energy Systems, Sustainable Energy Solutions, Clean Technology, Large-scale Hydrogen Production, Energy Innovation, Environmental Technology, Hydrogen Economy, Clean Energy Transition |
| Website | ||
| Website | hydrogenera.eu | hystar.com |
About Hydrogenera
Hydrogenera is a hydrogen technology company committed to producing, storing, and distributing hydrogen from renewable energy sources. Since its founding in 2016 in Sofia, Bulgaria, the company has completed 82+ meticulously crafted hydrogen projects and has been at the forefront of pioneering chang...
About Hystar
Hystar is a high-tech Norwegian company founded in 2021, specializing in the development of the world's most efficient PEM electrolysers for large-scale green hydrogen production. Aiming to transform energy sectors, they offer a sustainable solution to the prevalent issue of carbon emissions associa...
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BounceWatch watches Hydrogenera and Hystar for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Hydrogenera and Hystar — by email.
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Compiled from the BounceWatch company index. We last looked at Hydrogenera on 12 Sep 2024, and Hystar on 11 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.